CN208319683U - The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask - Google Patents
The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask Download PDFInfo
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- CN208319683U CN208319683U CN201721370662.3U CN201721370662U CN208319683U CN 208319683 U CN208319683 U CN 208319683U CN 201721370662 U CN201721370662 U CN 201721370662U CN 208319683 U CN208319683 U CN 208319683U
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- stomach
- drainage
- tube
- laryngeal mask
- drainage tube
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Abstract
The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask.It is related to medical apparatus more particularly to the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask.It is simple to provide a kind of structure, reduces reflux, ensures respiration and alimentary canal completely cuts off, reduce gaseous distention and the accidentally dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask of air draught danger.The laryngeal mask includes cover, snorkel and gullet drainage tube, and the top opening of the cover is connected to form air passage with snorkel, and the gullet drainage tube is located in snorkel.The utility model is at work, cover is inflated by cover tracheae, cover is put into patient oral cavity, the snorkel on covering on top is located at oesophagus initial part, the tube body of stomach drainage tube is penetrated in the gullet drainage tube in snorkel, so that the air bag of body distal end enters body of stomach.
Description
Technical field
The utility model relates to medical apparatus more particularly to the dedicated antireflux stomach drainage tubes of oesophagus drainage laryngeal mask.
Background technique
For laryngeal mask as tool of ventilating on a kind of novel glottis, the advantages that easy to use and intubation/Extubation reaction is small, makes it
It is promoted rapidly applied to after clinic.Deeply by the blueness of numerous clinicians especially in difficult airway patient and emergency resuscitation
It looks at.But the clinical application of laryngeal mask is end-to-end sealing mechanism there is also certain limitation, such as laryngeal mask airway, it is this logical
The disadvantage of gas feature maximum is exactly that leakproofness is bad, once reflux occurs in art, due to laryngeal mask cannot well respiratory tract every
From, be easy to occur accidentally inhale severe complication.
With the upgrading of laryngeal mask, oesophagus drainage laryngeal mask one gradually replaces common laryngeal mask.Compared with common laryngeal mask, food
Tube Drain type laryngeal mask can separate respiratory tract and alimentary canal, not only can establish effective ventilation, be alternatively placed into stomach tube and drained,
The generation for reducing reflux, missing the complication such as suction.Nonetheless, oesophagus conduction type is used for the patient of some high reflux risks
There are still very big accidentally air draught dangers for laryngeal mask.
Supreme laryngeal mask represents type as a kind of of oesophagus drainage laryngeal mask, and laying method is identical as common laryngeal mask,
But compared to common laryngeal mask, increase a gullet drainage tube.One end is opened on respiratory tract, is located above epiglottis, and air bag fills
After gas, air bag surrounding is close to pharyngeal mucous membrane, forms closed circle, is ventilated by this opening；The other end is opened on alimentary canal, position
In oesophagus initial part, after being put into laryngeal mask, can be open merging stomach tube drainage tube, drainage or attraction gastric content by this, two-tube
Robust construction has completely cut off respiratory tract and alimentary canal.
Although merging drainage tube after, can reduce to a certain extent reflux, accidentally inhale risk, laparoscopic surgery,
When the intra-abdominal pressures such as adiposis patient are higher or cardia loses slow disease patient, head low level, Supreme laryngeal mask is still had
A possibility that larger reflux；In addition laryngeal mask distal end is to pharyngeal and esophageal sphincter compressing stimulation and certain anaesthetics
Application after, the tension of lower esophageal sphincter declines, and also increases the risk of reflux.Meanwhile after drainage tube merging, due to caliber
Relatively carefully, length is longer, is easy to be bent in oesophagus or stomach and give a discount, and generation drain obstruction is open or opening is adherent,
It all will affect drainage effect and increase reflux risk.Supreme laryngeal mask is in use, it is also possible to position, intra-abdominal pressure etc.
Change and be displaced, on the one hand influences ventilatory effect and draw on the other hand it is also possible to blow vent is made to move to oesophagus overthe openings
Rise stomach flatulence after reflux.If gastral cavity can sufficiently drain and make distal esophagus and proximal end to close, can ideally prevent above-mentioned
The occurrence of.
Utility model content
The utility model reduces reflux in view of the above problems, to provide a kind of structure simple, ensures respiration and alimentary canal
Isolation reduces gaseous distention and the accidentally dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask of air draught danger.
The technical solution of the utility model is: the laryngeal mask includes cover, snorkel and gullet drainage tube, the cover
Top opening is connected to form air passage with snorkel, and the gullet drainage tube is located in snorkel；
It is characterized in that, the stomach drainage tube includes tube body, the tube body is detachably located in gullet drainage tube, the pipe
The distal end of body is successively arranged aperture and air bag, and proximal end is successively arranged aspirator connector, tracheae and resistance casing；
The distal end of the tube body is used to protrude into body of stomach,
The inner wall of the tube body is equipped with gas circuit, one end port connectivity trachea of the gas circuit, and other end port is located at air bag
It is interior,
The internal diameter of the resistance casing is less than the outer diameter of tube body, and the outer diameter of resistance casing is greater than the internal diameter of gullet drainage tube.
The aperture is located on the top and anchor ring of tube body, wherein the aperture on anchor ring is arranged in a staggered manner two-by-two.
The air bag is wound around on tube body in a ring.
The tube body is PVC hose, and the resistance casing is silicone tube.
The distal end end face of the tube body is equipped with rounded corner.
The utility model at work, by cover tracheae inflates cover, cover is put into patient oral cavity, cover top
Snorkel in portion is located at oesophagus initial part, and the tube body of stomach drainage tube is penetrated in the gullet drainage tube in snorkel, is made
The air bag for obtaining body distal end enters body of stomach,
Air bag is inflated by tracheae, after inflation, draws tube body outward on one side, it is on one side that resistance casing is remote to tube body
End promotes, until resistance casing resists the end of gullet drainage tube, then unclamps.In this way, resistance casing rubs with what tube body generated
Wiping power is confining pressure of the air bag to stomach cardia, also corresponds to tractive force of the tube body to pharyngeal direction traction laryngeal mask.
On the one hand tractive force can pull air bag outward to close distal esophagus opening and prevent reflux, on the other hand can avoid
Laryngeal mask slips outward, so that laryngeal mask be auxiliarily fixed, prevents laryngeal mask displacement from leaking air and gaseous distention.
Meanwhile the ball-type air bag after inflation nearby has supporting role to cardia, so that the body portion near air bag suspends
In gastral cavity, it can prevent stomach tube draining hole from adherent influence drainage effect occur.
The bottom opening of cover corresponds to respiratory tract, is located above epiglottis, and after cover inflation, cover surrounding is close to pharyngeal glutinous
Film forms closed circle, is ventilated by bottom opening.
The utility model effectively passes through balloon occlusion stomach cardia, avoids reflux phenomenon, and laryngeal mask isolation can be auxiliarily fixed
Respiratory tract and alimentary canal reduce gaseous distention and accidentally air draught danger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the cross-sectional view in the face A-A in Fig. 1,
Fig. 3 is the working state figure of Fig. 1,
Fig. 4 is the structural schematic diagram of laryngeal mask,
Fig. 5 is the bottom view of Fig. 4,
Fig. 6 is the structural schematic diagram of laryngeal mask stomach function regulating drainage tube,
Fig. 7 is the partial enlarged view in Fig. 6 at M,
Fig. 8 is the structural schematic diagram of body of stomach and air bag,
Fig. 9 is the structural schematic diagram of the utility model optimal enforcement mode,
Figure 10 is the structural schematic diagram of utricule one,
Figure 11 is the cross-sectional view in the face B-B in Fig. 9；
1 is cover in figure, and 2 be snorkel, and 3 be gullet drainage tube, and 4 be cover tracheae, and 5 be tube body, and 6 be aperture, and 7 be gas
Capsule, 8 be aspirator connector, and 9 be tracheae, and 10 be resistance casing, and 11 be gas circuit, and 12 be body of stomach, and 13 be stomach cardia, and 14 be utricule
One, 140 be stomata one, and 15 be utricule two, and 16 be gas circuit one, and 17 be gas circuit two.
Specific embodiment
As shown in figs. 1-11, the laryngeal mask includes cover 1, snorkel 2 and gullet drainage tube 3, the cover to the utility model
Body be connected to cover tracheae 4(cover tracheae be band pressure indicate capsule tracheae, convenient for observation pressure), the top opening of the cover with
Snorkel connection, forms air passage, and the gullet drainage tube is located in snorkel；Cover tracheae is used to fill cover exhaust dynamic
Make；
The stomach drainage tube includes tube body 5, and the tube body is detachably located in gullet drainage tube, the distal end of the tube body according to
Secondary to be equipped with aperture 6 and air bag 7, proximal end is successively arranged aspirator connector 8, tracheae 9(tracheae and indicates capsule tracheae for band pressure, just
In observation pressure) and resistance casing 10；Tracheae 9 fills exhaust event to air bag；
The distal end of the tube body 5 is used to protrude into body of stomach 12,
The inner wall of the tube body 5 is equipped with gas circuit 11, and one end port connectivity trachea 9 of the gas circuit, other end port is located at
In air bag 7,
The internal diameter of the resistance casing 10 is less than the outer diameter of tube body 5, and the outer diameter of resistance casing 10 is greater than gullet drainage tube 3
Internal diameter.
The utility model at work, by cover tracheae inflates cover, cover is put into patient oral cavity, cover top
Snorkel in portion is located at oesophagus initial part, and gullet drainage tube is communicated with human body esophagus, and the tube body of stomach drainage tube is penetrated and is located at
In gullet drainage tube in snorkel, so that the air bag of body distal end enters body of stomach, stomach drainage tube is stretched out from the front of cover；
Air bag is inflated by tracheae, after inflation, draws tube body outward on one side, it is on one side that resistance casing is remote to tube body
End promotes, until resistance casing resists the end of gullet drainage tube, then unclamps.
At this point, air bag resists stomach cardia 13, resistance casing resists the end of gullet drainage tube；
In this way, the frictional force that resistance casing and tube body generate is confining pressure of the air bag to stomach cardia 13, also correspond to
Tractive force of the tube body to pharyngeal direction traction laryngeal mask.
On the one hand tractive force can pull air bag outward to close distal esophagus opening and prevent reflux, on the other hand can avoid
Laryngeal mask slips outward, so that laryngeal mask be auxiliarily fixed, prevents laryngeal mask displacement from leaking air and gaseous distention.
Meanwhile the ball-type air bag after inflation nearby has supporting role to cardia, so that the body portion near air bag suspends
In gastral cavity, it can prevent stomach tube draining hole from adherent influence drainage effect occur.
The bottom opening of cover corresponds to respiratory tract, is located above epiglottis, and after cover inflation, cover surrounding is close to pharyngeal glutinous
Film forms closed circle, is ventilated and (i.e. as shown in down arrow in Fig. 6, is communicated with person's windpipe) by bottom opening.
The utility model effectively passes through balloon occlusion stomach cardia, avoids reflux phenomenon, and laryngeal mask isolation can be auxiliarily fixed
Respiratory tract and alimentary canal reduce gaseous distention and accidentally air draught danger.
The aperture is located on the top and anchor ring of tube body, wherein the aperture on anchor ring is arranged in a staggered manner two-by-two.Setting
The aperture of different direction improves drainage effect.
The air bag is wound around on tube body in a ring.In this way, being in after inflation ball-type, for reliably closing the beautifully adorned of body of stomach
Door.
The tube body is PVC hose, and the resistance casing is silicone tube.The flexible that tube body has protrudes into oesophagus drainage
In pipe, facilitate operation；Silicone tube is removable, has resistance, plays the role of anti-skidding.
The distal end end face of the tube body is equipped with rounded corner, plays circular arc guiding role, avoids the damage to oesophagus inner wall.
In production and processing, it is 85cm, material PVC, internal diameter 3mm, outer diameter 4.5mm that stomach, which drains length of tube, apart from distal end 4cm
Place proximally increases circulating type and inflates low pressure PVC air bag, and inflation 30ml rear gasbag outer diameter is in ball up to 4cm or so, length about 4cm
Type uniform ring is around stomach drainage tube.
Proximal end has aspirator connector (wedge shaped hat shape hatch frame), can be connected with drainage bag or aspirator, and subsidiary
Pipe close；Anti-sliding resisting casing is moved with length about 1.5cm at proximal end about 10cm, when moving resistance casing can be with drainage
Stomach tube generates frictional force.Anti-sliding resisting shell material is silica gel, internal diameter 4.3mm, outer diameter 6mm.It can be by adjusting resistance in production
The length of casing, thus the kinetic force of friction generated when guaranteeing resistance casing with drainage stomach tube.
When clinical application: by laryngeal mask gullet drainage tube place stomach drainage tube, by endotracheal unidirectional charge valve to
Air bag inflates about 30ml.After inflation, traction stomach drainage tube outward on one side, on one side slightly firmly by anti-sliding resisting casing to stomach drainage tube
Distal end promotes, until resistance casing resists at laryngeal mask gullet drainage tube proximal openings and generates thrust, then unclamps.Resistance casing
Frictional force is generated with stomach drainage tube, frictional force size is confining pressure of the air bag to stomach cardia, also corresponds to stomach drainage tube
Laryngeal mask tractive force is drawn to pharyngeal direction.On the one hand tractive force can pull air bag outward to close distal esophagus opening and prevent instead
On the other hand stream can avoid laryngeal mask and slip outward, so that laryngeal mask be auxiliarily fixed, prevent laryngeal mask displacement from leaking air and gaseous distention.
Meanwhile the ball-type air bag after inflation nearby has supporting role to cardia, so that the stomach tube partial suspended of air bag distal end is in gastral cavity,
It can prevent stomach tube draining hole from adherent influence drainage effect occur.
The meaning of clinical application:
1, air bag closes distal esophagus opening (i.e. stomach cardia) under the action of outside tractive force prevents reflux；
2, the ball-type air bag after inflating nearby has supporting role to stomach cardia, so that the body portion near air bag is suspended in
In body of stomach, it can prevent stomach tube draining hole from adherent influence drainage effect occur；
3, larynx can be auxiliarily fixed under draw of the blocking stomach function regulating drainage tube to buccal direction of resistance casing in laryngeal mask
Cover, prevent laryngeal mask slips outward displacement leak air, gaseous distention and accidentally suction risk；
4, the tube body that can control resistance casing and stomach drainage tube in production process by the length of design resistance casing produces
Raw frictional force size (being equivalent to tractive force of the stomach drainage tube to buccal direction), thus effectively pressure of the control air bag to stomach lining
In safe range, generate excessively high pressure to stomach lining to prevent air bag causes stomach lining to generate ischemia injury to power.
As shown in figs. 9-11, the distal end of the tube body is respectively equipped with the utricule 2 15 of pyramidal utricule 1 and cylinder,
For the utricule one between aperture and air bag, the utricule two is located at air bag towards the side of resistance casing,
Gas circuit 1 and gas circuit 2 17 are additionally provided on the inner wall of the tube body, one end port of the gas circuit one connects tracheae
One, other end port is located in utricule one, and one end port of the gas circuit two connects tracheae two, and other end port is located at utricule two
It is interior,
The anchor ring of the utricule one is equipped with the stomata 1 of several row's annulars setting, sets on the anchor ring of the utricule two
There is stomata two.
At work, when stomach drainage tube being put into oesophagus and body of stomach, tracheae a pair of utricule one is inflated, and tracheae two is to utricule two
Inflation, enables tube body to be located among oesophagus, and tube body is avoided to contact oesophagus inner wall, causes damage etc.；Simultaneously as utricule one
In pyramidal (i.e. section is remote small close big trapezoidal), anchor ring is in inclined-plane, stomata one at work, as shown by the arrows in Figure 9,
Not only it can produce to oesophagus inflated inner wall (in this way, tube body is avoided to contact oesophagus inner wall), but also can inflate to body of stomach direction (in this way, can
Endo-esophageal gastric content is blowed into tapping, is drained)；After the completion of placement, utricule one and utricule two are exhausted.Figure
In, tracheae one and tracheae two are not shown, and position is between aspirator connector and resistance casing.
When stomach drainage tube is taken out, utricule two need to be only inflated, avoid tube body from contacting oesophagus inner wall, avoid damage to.
During placement and taking-up, when inflation, gas can be discharged by stomach drainage tube, avoid flatulence.
Claims (5)
1. the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask, the laryngeal mask includes cover, snorkel and gullet drainage tube, institute
It states the top opening of cover and snorkel is connected to form air passage, the gullet drainage tube is located in snorkel；
It is characterized in that, the stomach drainage tube includes tube body, the tube body is detachably located in gullet drainage tube, the tube body
Distal end is successively arranged aperture and air bag, and proximal end is successively arranged aspirator connector, tracheae and resistance casing；
The distal end of the tube body is used to protrude into body of stomach,
The inner wall of the tube body is equipped with gas circuit, one end port connectivity trachea of the gas circuit, and other end port is located in air bag,
The internal diameter of the resistance casing is less than the outer diameter of tube body, and the outer diameter of resistance casing is greater than the internal diameter of gullet drainage tube.
2. the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask according to claim 1, which is characterized in that the aperture
On the top and anchor ring of tube body, wherein the aperture on anchor ring is arranged in a staggered manner two-by-two.
3. the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask according to claim 1 or 2, which is characterized in that described
Air bag is wound around on tube body in a ring.
4. the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask according to claim 3, which is characterized in that the tube body
For PVC hose, the resistance casing is silicone tube.
5. the dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask according to claim 1, which is characterized in that the tube body
Distal end end face be equipped with rounded corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370662.3U CN208319683U (en) | 2017-10-23 | 2017-10-23 | The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370662.3U CN208319683U (en) | 2017-10-23 | 2017-10-23 | The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208319683U true CN208319683U (en) | 2019-01-04 |
Family
ID=64787939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721370662.3U Expired - Fee Related CN208319683U (en) | 2017-10-23 | 2017-10-23 | The dedicated antireflux stomach drainage tube of oesophagus drainage laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208319683U (en) |
-
2017
- 2017-10-23 CN CN201721370662.3U patent/CN208319683U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |